2021 wholesale price Optical Brightening Agent - Optical Brightener KCB – Subang

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We usually continually offer you the most conscientious consumer services, along with the widest variety of designs and styles with finest materials. These initiatives include the availability of customized designs with speed and dispatch for Fluorescent Whitening Agent ER, Optical Brightener FP-127, OAP, Our company is working by the operation principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a friendly relationship with businessman from all over the world.
2021 wholesale price Optical Brightening Agent - Optical Brightener KCB – Subang Detail:

Structural formula

1

Chemical name: 1,4-bis(benzoxazolyl-2-yl)naphthalene

C.I.:367

CAS NO.: 5089-22-5/63310-10-1

Technical data:

Appearance: yellowish-green crystal powder

Content: ≥99.0%

Melting point: 210-212℃

Molecular formula: C24H14N2O2

Molecular weight: 362

Solubility: insoluble in water, soluble in organic solvents

Maximum absorption spectrum wavelength: 370nm

Maximum fluorescence emission wavelength: 437nm

Other features: good heat resistance and light resistance; good chemical stability, no reaction with plasticizers, foaming agents, crosslinking agents, etc., good compatibility with polymer materials, and no bleeding.

Application

Optical brightener KCB is one of the best products among many fluorescent whitening agents. Strong whitening effect, bright blue and bright color, it has good heat resistance, weather resistance and chemical stability. It is mainly used for the whitening of plastic and synthetic fiber products, and it also has obvious brightening effect on non-ferrous plastic products. It is also widely used in ethylene/vinyl acetate (EVA) copolymers, which is an excellent variety of optical brighteners in sports shoes. It is also widely used in PE, PP, PVC, PS, ABS, PMMA and other plastic films, molding materials, injection molding materials and polyester fibers. It also has a significant effect on the whitening of paints and natural paints. This variety is the lowest toxic among many varieties of whitening agents. The United States stipulates that it can be used for whitening food packaging materials.

Reference Dosage

For plastics or resins, the general dosage is 0.01-0.03%, that is, about 10-30 grams of BC-111 fluorescent whitening agent is added to 100 kilograms of plastic raw materials. The user can adjust the specific dosage of the whitening agent according to the requirements of whiteness. If an ultraviolet absorber such as titanium dioxide is added to the plastic raw material, the optimal amount of the whitening agent should be adjusted appropriately.

PE : 10-25g/100kg plastic raw material

PP : 10-25g/100kg plastic raw material

PS : 10-20g/100kg plastic raw material

PVC: 10-30g/100kg plastic raw material

ABS : 10-30g/100kg plastic raw material

EVA: 10-30g/100kg resin

If used in transparent plastic film, the reference dosage of brightener: 1-10g/100kg plastic raw material

Packing: 25kg cardboard drum lined with plastic bag or packed according to customer requirements


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We support our prospective buyers with ideal top quality merchandise and superior level provider. Becoming the specialist manufacturer in this sector, we have now attained abundant practical expertise in producing and managing for 2021 wholesale price Optical Brightening Agent - Optical Brightener KCB – Subang , The product will supply to all over the world, such as: Japan, Puerto Rico, Irish, As a well educated, innovative and energetic staff,we are responsible for all elements of the research, design, manufacturing, sales and distribution. With studying and developing new techniques,we are not only following but also leading the fashion industry. We listen attentively to the feedback from our customers and provide instant communication. You will instantly feel our expertise and attentive service.
  • Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
    5 Stars By lucia from Bhutan - 2017.01.11 17:15
    It is not easy to find such a professional and responsible provider in today's time. Hope that we can maintain long-term cooperation.
    5 Stars By Candy from America - 2018.06.21 17:11
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